/*   
 * Copyright 2009-2010 Rob Schoening
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 *    
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.beaconframework.util.exception;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;


public class ExceptionHandlerGroup<T extends Throwable> implements
        ExceptionHandler<T> {

    List<ExceptionHandler<T>> handlers = new CopyOnWriteArrayList<ExceptionHandler<T>>();

    @Override
    public boolean accepts(Throwable t) {

        for (ExceptionHandler<T> handler : handlers) {
            if (handler.accepts(t)) {
                return true;
            }
        }

        return false;
    }

    @Override
    public void handleException(Throwable e) throws T {
        for (ExceptionHandler<T> handler : handlers) {
            if (handler.accepts(e)) {
                handler.handleException(e);
            }
        }

    }

    public void addExceptionHandler(ExceptionHandler<T> handler) {
        handlers.add(handler);
    }

}
